Re: [f2fs-dev] [PATCH v2 2/4] f2fs: atomic: fix to not allow GC to pollute atomic_file

2024-08-28 Thread Jaegeuk Kim via Linux-f2fs-devel
On 08/14, Chao Yu wrote: > SQLite AppGC Thread Shrinker > - f2fs_ioc_start_atomic_write > > - f2fs_ioc_commit_atomic_write > - f2fs_commit_atomic_write > - filemap_write_and_wait_range > : write atomic_file's data to cow_inode >

Re: [f2fs-dev] [PATCH] f2fs: Do not check the FI_DIRTY_INODE flag when umounting a ro fs.

2024-08-28 Thread Jaegeuk Kim via Linux-f2fs-devel
On 08/27, Julian Sun wrote: > Hi, all. > > Recently syzbot reported a bug as following: > > kernel BUG at fs/f2fs/inode.c:896! > CPU: 1 UID: 0 PID: 5217 Comm: syz-executor605 Not tainted > 6.11.0-rc4-syzkaller-00033-g872cf28b8df9 #0 > RIP: 0010:f2fs_evict_inode+0x1598/0x15c0 fs/f2fs/inode.c:896

Re: [f2fs-dev] [PATCH v2] f2fs: Do not check the FI_DIRTY_INODE flag when umounting a ro fs.

2024-09-03 Thread Jaegeuk Kim via Linux-f2fs-devel
On 09/03, Chao Yu wrote: > On 2024/9/2 21:01, Julian Sun wrote: > > On Mon, 2024-09-02 at 16:13 +0800, Chao Yu wrote: > > > > On 2024/8/29 0:54, Julian Sun wrote: > > > > > > Hi, all. > > > > > > > > > > > > Recently syzbot reported a bug as following: > > > > > > > > > > > > kernel BUG at fs/f2f

Re: [f2fs-dev] [RCF PATCH v3 09/10] inject.f2fs: add dentry injection

2024-09-03 Thread Jaegeuk Kim via Linux-f2fs-devel
On 09/03, Sheng Yong wrote: > Hi, Jaegeuk, > > I noticed that this commit is not queued in either dev or master branch. > Do you have any comments on this commit :-) Thanks, I missed. Let me queue in the branches. :) > > thanks, > shengyong > > On 2024/7/4 10:57, Sheng Yong wrote: > > This pat

Re: [f2fs-dev] [PATCH] Revert "f2fs: stop allocating pinned sections if EAGAIN happens"

2024-09-06 Thread Jaegeuk Kim via Linux-f2fs-devel
On 09/06, Chao Yu wrote: > On 2024/9/6 16:31, Wu Bo wrote: > > On Tue, Feb 20, 2024 at 02:50:11PM +0800, Chao Yu wrote: > > > On 2024/2/8 16:11, Wu Bo wrote: > > > > On 2024/2/5 11:54, Chao Yu wrote: > > > > > How about calling f2fs_balance_fs() to double check and make sure > > > > > there is > >

Re: [f2fs-dev] [PATCH v2] f2fs-tools: add write hint support

2024-09-06 Thread Jaegeuk Kim via Linux-f2fs-devel
Applied this change for Android build. --- a/fsck/mount.c +++ b/fsck/mount.c @@ -4222,7 +4222,7 @@ int f2fs_sparse_initialize_meta(struct f2fs_sb_info *sbi) DBG(1, "\tSparse: filling sit area at block offset: 0x%08"PRIx64" len: %u\n",

Re: [f2fs-dev] [PATCH v2] f2fs-tools: add write hint support

2024-09-10 Thread Jaegeuk Kim via Linux-f2fs-devel
+627,7 @@ static int __dev_write(void *buf, __u64 offset, size_t len, enum rw_hint whint) if (ret != -1) c.whint = whint; } +#endif if (write(fd, buf, len) < 0) return -1; On 09/07, Jaegeuk Kim via Linux-f2fs-devel wrot

Re: [f2fs-dev] [PATCH] f2fs: forcibly migrate to secure space for zoned device file pinning

2024-09-12 Thread Jaegeuk Kim via Linux-f2fs-devel
On 09/11, Daeho Jeong wrote: > From: Daeho Jeong > > We need to migrate data blocks even though it is full to secure space > for zoned device file pinning. > > Signed-off-by: Daeho Jeong > Fixes: 9703d69d9d15 ("f2fs: support file pinning for zoned devices") > --- > fs/f2fs/gc.c | 3 +-- > 1 fi

Re: [f2fs-dev] [PATCH 2/2] mkfs.f2fs: add device aliasing feature

2024-09-13 Thread Jaegeuk Kim via Linux-f2fs-devel
On 09/13, Daeho Jeong wrote: > From: Daeho Jeong > > We can add a device aliasing file which can map the whole device with an > extent, not using node blocks. This mapped area should be pinned and > normally used for read-only usages. After finished using it, we can > deallocate the whole area an

[f2fs-dev] [PATCH] f2fs: allow F2FS_IPU_NOCACHE for pinned file

2024-09-14 Thread Jaegeuk Kim via Linux-f2fs-devel
This patch allows f2fs to submit bios of in-place writes on pinned file. Signed-off-by: Jaegeuk Kim --- fs/f2fs/sysfs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index d18931b7b094..c56e8c873935 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f

Re: [f2fs-dev] [PATCH 2/2] mkfs.f2fs: add device aliasing feature

2024-09-16 Thread Jaegeuk Kim via Linux-f2fs-devel
On 09/16, Daeho Jeong wrote: > On Fri, Sep 13, 2024 at 3:27 PM Jaegeuk Kim wrote: > > > > On 09/13, Daeho Jeong wrote: > > > From: Daeho Jeong > > > > > > We can add a device aliasing file which can map the whole device with an > > > extent, not using node blocks. This mapped area should be pinne

[f2fs-dev] [PATCH] f2fs: guarantee to write dirty data when enabling checkpoint back

2021-09-08 Thread Jaegeuk Kim via Linux-f2fs-devel
From: Jaegeuk Kim commit 3d65293a52c2c3850c19b1e5115712e534d8 upstream. We must flush all the dirty data when enabling checkpoint back. Let's guarantee that first by adding a retry logic on sync_inodes_sb(). In addition to that, this patch adds to flush data in fsync when checkpoint is disab

[f2fs-dev] [PATCH] f2fs-tools: remove linux/fcntl.h but define the hint directly

2024-10-14 Thread Jaegeuk Kim via Linux-f2fs-devel
It's complicated to address libc and kernel headers. Signed-off-by: Jaegeuk Kim --- lib/libf2fs_io.c | 10 +- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/lib/libf2fs_io.c b/lib/libf2fs_io.c index 1923c0b87dfc..520ae0362fd4 100644 --- a/lib/libf2fs_io.c +++ b/lib/libf2fs

[f2fs-dev] [PATCH] f2fs_io: choose MB/s instead of MiB/s

2024-10-14 Thread Jaegeuk Kim via Linux-f2fs-devel
Signed-off-by: Jaegeuk Kim --- tools/f2fs_io/f2fs_io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c index 5b67a92e0947..bcf9f491c14d 100644 --- a/tools/f2fs_io/f2fs_io.c +++ b/tools/f2fs_io/f2fs_io.c @@ -926,7 +926,7 @@ stat

Re: [f2fs-dev] [PATCH v5] f2fs: introduce device aliasing file

2024-10-15 Thread Jaegeuk Kim via Linux-f2fs-devel
On 10/14, Christoph Hellwig wrote: > On Mon, Oct 14, 2024 at 04:42:07PM +, Jaegeuk Kim wrote: > > > > > > Plz, refer to this patch and the description there. > > > > > > https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git/commit/?h=dev-test&id=8cc4e257ec20bee207bb034d5ac406

[f2fs-dev] [PATCH] mkfs.f2fs: don't trim on aliased partition

2024-10-15 Thread Jaegeuk Kim via Linux-f2fs-devel
Signed-off-by: Jaegeuk Kim --- mkfs/f2fs_format_utils.c | 5 + 1 file changed, 5 insertions(+) diff --git a/mkfs/f2fs_format_utils.c b/mkfs/f2fs_format_utils.c index 1c2003e8d107..1a9746a77184 100644 --- a/mkfs/f2fs_format_utils.c +++ b/mkfs/f2fs_format_utils.c @@ -48,6 +48,11 @@ static int

[f2fs-dev] [PATCH] f2fs_io: support fadvice for read

2024-10-11 Thread Jaegeuk Kim via Linux-f2fs-devel
This adds a way to boost read performance by giving fadvise. Signed-off-by: Jaegeuk Kim --- tools/f2fs_io/f2fs_io.c | 27 --- 1 file changed, 20 insertions(+), 7 deletions(-) diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c index 8fbad3c8e563..5b67a92e0947

Re: [f2fs-dev] [PATCH v2] libf2fs: Fix calculation of usable segments for single

2024-10-11 Thread Jaegeuk Kim via Linux-f2fs-devel
On 10/10, Yonggil Song wrote: > There was a problem that did not subtract the super block area when > calculating > the usable segments for a single zoned device with a conventional zone. > This resulted in incorrect the overprovision and reserved area. > > <256MiB legacy block + zoned bloc

Re: [f2fs-dev] Plans for F2FS Supporting Large Folios

2024-10-07 Thread Jaegeuk Kim via Linux-f2fs-devel
Hi Ryan, On 10/02, Ryan Roberts wrote: > Hi Jaegeuk Kim, Chao Yu, > > I heard (via Matthew Wilcox) that you may be in the process of forming plans > to > add large folio support to f2fs? If so, I wonder if you could let me know how > those plans are progressing? I saw your v6.12-rc1 pull request

Re: [f2fs-dev] [PATCH] f2fs-toos: use getpagesize() to get default blocksize in Android

2024-10-07 Thread Jaegeuk Kim via Linux-f2fs-devel
On 09/19, Zhiguo Niu wrote: > Hi all, > please ignore this patch, we can resove this by "-b" parameter . > thanks! Ok, thanks. > Zhiguo Niu 于2024年9月14日周六 11:12写道: > > > > When 16K page/block size is enabled in Android platform, > > a error maybe detected in mount process in kernel if "-b" > > p

Re: [f2fs-dev] [PATCH v2 1/2] f2fs: use per-log target_bitmap to improve lookup performace of ssr allocation

2024-10-07 Thread Jaegeuk Kim via Linux-f2fs-devel
Hi Chao, This introduces another bitmap increasing memory footprint. Do we know how much performance benefit with this? On 04/11, Chao Yu wrote: > After commit 899fee36fac0 ("f2fs: fix to avoid data corruption by > forbidding SSR overwrite"), valid block bitmap of current openned > segment is fix

Re: [f2fs-dev] [RFC PATCH 2/2] f2fs: introduce f2fs_invalidate_consecutive_blocks()

2024-10-16 Thread Jaegeuk Kim via Linux-f2fs-devel
2573 void f2fs_invalidate_consecutive_blocks(struct f2fs_sb_info *sbi, block_t addr, int cnt) 2574 { 2575 unsigned int segno = GET_SEGNO(sbi, addr); 2576 unsigned int segno2 = GET_SEGNO(sbi, addr + cnt - 1); 2577 struct sit_info *sit_i = SIT_I(sbi); 2578 2579 f2fs_b

Re: [f2fs-dev] [PATCH] f2fs: fix to parse temperature correctly in f2fs_get_segment_temp()

2024-10-16 Thread Jaegeuk Kim via Linux-f2fs-devel
On 10/16, Chao Yu wrote: > In __get_segment_type(), __get_segment_type_6() may return > CURSEG_COLD_DATA_PINNED or CURSEG_ALL_DATA_ATGC log type, but > following f2fs_get_segment_temp() can only handle persistent > log type, fix it. > > Signed-off-by: Chao Yu > --- > fs/f2fs/f2fs.h| 5 +++--

Re: [f2fs-dev] [PATCH 2/3] f2fs: zone: allow IPU for regular file in regular block device

2024-10-21 Thread Jaegeuk Kim via Linux-f2fs-devel
On 10/18, Chao Yu wrote: > blkzoned feature enables lfs mode by default, for data updates from > regular file, it only allow to use OPU, this patch changes to allow > to use IPU if regular file's data block locates in regular block > device, if data block locates in zoned block device, it still use

Re: [f2fs-dev] [PATCH v2] f2fs: fix to parse temperature correctly in f2fs_get_segment_temp()

2024-10-21 Thread Jaegeuk Kim via Linux-f2fs-devel
On 10/17, Chao Yu wrote: > In __get_segment_type(), __get_segment_type_6() may return > CURSEG_COLD_DATA_PINNED or CURSEG_ALL_DATA_ATGC log type, but > following f2fs_get_segment_temp() can only handle persistent > log type, fix it. > > Signed-off-by: Chao Yu > --- > v2: > - initialize variable i

[f2fs-dev] [PATCH] f2fs: allow parallel DIO reads

2024-10-09 Thread Jaegeuk Kim via Linux-f2fs-devel
This fixes a regression which prevents parallel DIO reads. Fixes: 0cac51185e65 ("f2fs: fix to avoid racing in between read and OPU dio write") Signed-off-by: Jaegeuk Kim --- fs/f2fs/file.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c inde

Re: [f2fs-dev] [PATCH v5] f2fs: introduce device aliasing file

2024-10-14 Thread Jaegeuk Kim via Linux-f2fs-devel
On 10/14, Daeho Jeong wrote: > On Sun, Oct 13, 2024 at 10:56 PM Christoph Hellwig wrote: > > > > On Thu, Oct 10, 2024 at 12:26:26PM -0700, Daeho Jeong wrote: > > > From: Daeho Jeong > > > > > > F2FS should understand how the device aliasing file works and support > > > deleting the file after use

[f2fs-dev] [GIT PULL] f2fs fix for 6.12-rc4

2024-10-14 Thread Jaegeuk Kim via Linux-f2fs-devel
Hi Linus, Could you please consider applying this patch in f2fs? Thanks, The following changes since commit 8cf0b93919e13d1e8d4466eb4080a4c4d9d66d7b: Linux 6.12-rc2 (2024-10-06 15:32:27 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2

[f2fs-dev] [PATCH] f2fs-tools: use stdbool.h instead of bool

2024-10-24 Thread Jaegeuk Kim via Linux-f2fs-devel
The existing bool definition is broken for c23, where bool is now a keyword. Signed-off-by: Elliott Hughes Signed-off-by: Jaegeuk Kim --- include/f2fs_fs.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h index 9534da98ca53..0cb9228288

[f2fs-dev] [PATCH 2/2] f2fs_io: add more options for randread test

2024-11-01 Thread Jaegeuk Kim via Linux-f2fs-devel
This patch improves the randread test: - add mmap - add fadvise option - show performance results Signed-off-by: Jaegeuk Kim --- tools/f2fs_io/f2fs_io.c | 60 + 1 file changed, 49 insertions(+), 11 deletions(-) diff --git a/tools/f2fs_io/f2fs_io.c b/to

[f2fs-dev] [PATCH 1/2] f2fs_io: support 1GB dio buffer

2024-11-01 Thread Jaegeuk Kim via Linux-f2fs-devel
Signed-off-by: Jaegeuk Kim --- tools/f2fs_io/f2fs_io.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c index 837f8a9fa247..487040ad21d4 100644 --- a/tools/f2fs_io/f2fs_io.c +++ b/tools/f2fs_io/f2fs_io.c @@ -872,8 +872,8 @@

Re: [f2fs-dev] [PATCH] f2fs: fix to map blocks correctly for direct read

2024-11-01 Thread Jaegeuk Kim via Linux-f2fs-devel
On 11/01, Chao Yu wrote: > On 2024/11/1 9:22, Jaegeuk Kim wrote: > > On 10/31, Chao Yu wrote: > > > f2fs_map_blocks() supports to map continuous holes or preallocated > > > address, we should avoid setting F2FS_MAP_MAPPED for these cases > > > only, otherwise, it may fail f2fs_iomap_begin(), and ma

[f2fs-dev] [PATCH] Revert "f2fs: remove unreachable lazytime mount option parsing"

2024-11-11 Thread Jaegeuk Kim via Linux-f2fs-devel
This reverts commit 54f43a10fa257ad4af02a1d157fefef6ebcfa7dc. The above commit broke the lazytime mount, given mount("/dev/vdb", "/mnt/test", "f2fs", 0, "lazytime"); CC: sta...@vger.kernel.org # 6.11+ Signed-off-by: Daniel Rosenberg Signed-off-by: Jaegeuk Kim --- fs/f2fs/super.c | 10

[f2fs-dev] [PATCH] mkfs.f2fs: remove IMMUTABLE bit

2024-11-10 Thread Jaegeuk Kim via Linux-f2fs-devel
The immutable bit disallows selinux permission which gives no way to clear it. Fixes: 8cc4e257ec20 ("mkfs.f2fs: add device aliasing feature") Signed-off-by: Jaegeuk Kim --- mkfs/f2fs_format.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_for

Re: [f2fs-dev] [PATCH] Revert "f2fs: remove unreachable lazytime mount option parsing"

2024-11-12 Thread Jaegeuk Kim via Linux-f2fs-devel
Hi Eric, Could you please check this revert as it breaks the mount()? It seems F2FS needs to implement new mount support. Thanks, On 11/12, Jaegeuk Kim wrote: > This reverts commit 54f43a10fa257ad4af02a1d157fefef6ebcfa7dc. > > The above commit broke the lazytime mount, given > > mount("/dev/vd

Re: [f2fs-dev] [PATCH] f2fs: fix to map blocks correctly for direct read

2024-10-31 Thread Jaegeuk Kim via Linux-f2fs-devel
On 10/31, Chao Yu wrote: > f2fs_map_blocks() supports to map continuous holes or preallocated > address, we should avoid setting F2FS_MAP_MAPPED for these cases > only, otherwise, it may fail f2fs_iomap_begin(), and make direct > write fallbacking to use buffered IO and flush, result in performance

Re: [f2fs-dev] [PATCH v2 2/2] mkfs.f2fs: add device aliasing feature

2024-09-18 Thread Jaegeuk Kim via Linux-f2fs-devel
In file included from f2fs_format.c:14: f2fs_format.c: In function ‘allocate_blocks_for_aliased_device’: f2fs_format.c:1705:24: error: too few arguments to function ‘dev_write_block’ 1705 | ASSERT(dev_write_block(sit_blk, sit_blk_addr) >= 0); |^~~~

Re: [f2fs-dev] [PATCH] f2fs: introduce device aliasing file

2024-09-23 Thread Jaegeuk Kim via Linux-f2fs-devel
On 09/23, Chao Yu wrote: > On 2024/9/20 23:38, Daeho Jeong wrote: > > On Thu, Sep 19, 2024 at 6:14 AM Chao Yu wrote: > > > > > > On 2024/9/14 5:28, Daeho Jeong wrote: > > > > From: Daeho Jeong > > > > > > > > F2FS should understand how the device aliasing file works and support > > > > deleting

Re: [f2fs-dev] [GIT PULL] f2fs for 6.12-rc1

2024-09-24 Thread Jaegeuk Kim via Linux-f2fs-devel
On 09/24, Linus Torvalds wrote: > On Mon, 23 Sept 2024 at 19:42, Jaegeuk Kim wrote: > > > > In this series, the main changes include 1) converting major IO paths to use > > folio, and 2) adding various knobs to control GC more flexibly for Zoned > > devices. > > Hmm. I get mostly the same merge r

Re: [f2fs-dev] [PATCH v2] f2fs: introduce device aliasing file

2024-09-23 Thread Jaegeuk Kim via Linux-f2fs-devel
On 09/24, Chao Yu wrote: > On 2024/9/23 23:53, Daeho Jeong wrote: > > From: Daeho Jeong > > > > F2FS should understand how the device aliasing file works and support > > deleting the file after use. A device aliasing file can be created by > > mkfs.f2fs tool and it can map the whole device with a

[f2fs-dev] [GIT PULL] f2fs for 6.12-rc1

2024-09-23 Thread Jaegeuk Kim via Linux-f2fs-devel
Hi Linus, Could you please consider this pull reuqest? Thanks, The following changes since commit c813111d19e65b6336a6352eae9c1ff5c40f722f: Merge tag 'slab-fixes-for-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab (2024-08-05 09:23:00 -0700) are available in the Git

Re: [f2fs-dev] [PATCH] fs/writeback: convert wbc_account_cgroup_owner to take a folio

2024-09-30 Thread Jaegeuk Kim via Linux-f2fs-devel
On 09/26, Matthew Wilcox wrote: > On Thu, Sep 26, 2024 at 04:01:21PM +0200, Pankaj Raghav (Samsung) wrote: > > Convert wbc_account_cgroup_owner() to take a folio instead of a page, > > and convert all callers to pass a folio directly except f2fs. > > > > Convert the page to folio for all the calle

Re: [f2fs-dev] [PATCH 1/4] f2fs: fix to do cast in F2FS_{BLK_TO_BYTES, BTYES_TO_BLK} to avoid overflow

2024-11-18 Thread Jaegeuk Kim via Linux-f2fs-devel
I applied this with the below change to avoid build failure. --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -3336,7 +3336,7 @@ loff_t max_file_blocks(struct inode *inode) * fit within U32_MAX + 1 data units. */ - result = min(result, F2FS_BYTES_TO_BLK(((loff_t)U32_MAX + 1)

Re: [f2fs-dev] [PATCH] Revert "f2fs: remove unreachable lazytime mount option parsing"

2024-11-19 Thread Jaegeuk Kim via Linux-f2fs-devel
On 11/19, Chao Yu wrote: > On 2024/11/13 5:39, Jaegeuk Kim via Linux-f2fs-devel wrote: > > Hi Eric, > > > > Could you please check this revert as it breaks the mount()? > > It seems F2FS needs to implement new mount support. > > Hi all, > > Actually, if we

Re: [f2fs-dev] [PATCH] Revert "f2fs: remove unreachable lazytime mount option parsing"

2024-11-20 Thread Jaegeuk Kim via Linux-f2fs-devel
On 11/20, Eric Sandeen wrote: > On 11/20/24 8:27 AM, Eric Sandeen wrote: > > On 11/12/24 3:39 PM, Jaegeuk Kim wrote: > >> Hi Eric, > >> > >> Could you please check this revert as it breaks the mount()? > >> It seems F2FS needs to implement new mount support. > >> > >> Thanks, > > > > I'm sorry, I

Re: [f2fs-dev] [PATCH] Revert "f2fs: remove unreachable lazytime mount option parsing"

2024-11-20 Thread Jaegeuk Kim via Linux-f2fs-devel
On 11/20, Chao Yu wrote: > On 2024/11/20 4:48, Jaegeuk Kim wrote: > > On 11/19, Chao Yu wrote: > > > On 2024/11/13 5:39, Jaegeuk Kim via Linux-f2fs-devel wrote: > > > > Hi Eric, > > > > > > > > Could you please check this revert as it breaks

[f2fs-dev] [GIT PULL] f2fs for 6.13-rc1

2024-11-25 Thread Jaegeuk Kim via Linux-f2fs-devel
Hi Linus, Could you please consideri this pull request? Thanks, The following changes since commit eca631b8fe808748d7585059c4307005ca5c5820: Merge tag 'f2fs-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs (2024-10-14 11:19:19 -0700) are available in the Git reposito

[f2fs-dev] [PATCH] f2fs: don't call block truncation for aliased file

2025-01-06 Thread Jaegeuk Kim via Linux-f2fs-devel
This patch should avoid the below warning which does not corrupt the metadata tho. [ 51.508120][ T253] F2FS-fs (dm-59): access invalid blkaddr:36 [ 51.508156][ T253] __f2fs_is_valid_blkaddr+0x330/0x384 [ 51.508162][ T253] f2fs_is_valid_blkaddr_raw+0x10/0x24 [ 51.508163][ T253] f2fs_

Re: [f2fs-dev] [PATCH v2] f2fs: Introduce linear search for dentries

2025-01-06 Thread Jaegeuk Kim via Linux-f2fs-devel
On 01/03, Christoph Hellwig wrote: > On Mon, Dec 23, 2024 at 04:57:35PM +, Jaegeuk Kim wrote: > > > That means you have really bad worst case behavior for negative lookups. > > > I don' think this is in any way a good idea. > > > > No surprise. Please check: > > https://lore.kernel.org/lkml/z1

Re: [f2fs-dev] [PATCH] f2fs: fix to do sanity check correctly on i_inline_xattr_size

2025-01-07 Thread Jaegeuk Kim via Linux-f2fs-devel
On 12/16, Chao Yu wrote: > syzbot reported an out-of-range access issue as below: > > UBSAN: array-index-out-of-bounds in fs/f2fs/f2fs.h:3292:19 > index 18446744073709550491 is out of range for type '__le32[923]' (aka > 'unsigned int[923]') > CPU: 0 UID: 0 PID: 5338 Comm: syz.0.0 Not tainted > 6

Re: [f2fs-dev] [PATCH v2] f2fs: don't call block truncation for aliased file

2025-01-07 Thread Jaegeuk Kim via Linux-f2fs-devel
This patch should avoid the below warning which does not corrupt the metadata tho. [ 51.508120][ T253] F2FS-fs (dm-59): access invalid blkaddr:36 [ 51.508156][ T253] __f2fs_is_valid_blkaddr+0x330/0x384 [ 51.508162][ T253] f2fs_is_valid_blkaddr_raw+0x10/0x24 [ 51.508163][ T253] f2fs_

Re: [f2fs-dev] [PATCH 1/2] f2fs: don't kobject_put in the error case

2025-02-03 Thread Jaegeuk Kim via Linux-f2fs-devel
I checked this patch is wrong. Sorry for the noise. On 01/31, Jaegeuk Kim wrote: > Fix a wrong kobject_put in the error path. > > Signed-off-by: Jaegeuk Kim > --- > fs/f2fs/sysfs.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c > in

Re: [f2fs-dev] [PATCH 0/2 v8] add ioctl/sysfs to donate file-backed pages

2025-02-04 Thread Jaegeuk Kim via Linux-f2fs-devel
On 02/03, Christoph Hellwig wrote: > On Fri, Jan 31, 2025 at 10:27:55PM +, Jaegeuk Kim wrote: > > Note, let me keep improving this patch set, while trying to get some > > feedbacks > > from MM and API folks from [1]. > > Please actually drive it instead of only interacting once after > I told

Re: [f2fs-dev] [PATCH 0/2 v6] add ioctl/sysfs to donate file-backed pages

2025-02-04 Thread Jaegeuk Kim via Linux-f2fs-devel
On 01/17, Jaegeuk Kim wrote: > On 01/17, Matthew Wilcox wrote: > > On Fri, Jan 17, 2025 at 06:48:55PM +, Jaegeuk Kim wrote: > > > > I don't understand how this is different from MADV_COLD. Please > > > > explain. > > > > > > MADV_COLD is a vma range, while this is a file range. So, it's more

Re: [f2fs-dev] [PATCH 0/2 v6] add ioctl/sysfs to donate file-backed pages

2025-02-10 Thread Jaegeuk Kim via Linux-f2fs-devel
On 02/04, Jaegeuk Kim wrote: > On 01/17, Jaegeuk Kim wrote: > > On 01/17, Matthew Wilcox wrote: > > > On Fri, Jan 17, 2025 at 06:48:55PM +, Jaegeuk Kim wrote: > > > > > I don't understand how this is different from MADV_COLD. Please > > > > > explain. > > > > > > > > MADV_COLD is a vma range,

Re: [f2fs-dev] [PATCH] f2fs: quota: fix to avoid warning in dquot_writeback_dquots()

2025-02-06 Thread Jaegeuk Kim via Linux-f2fs-devel
On 02/06, Chao Yu wrote: > F2FS-fs (dm-59): checkpoint=enable has some unwritten data. > > [ cut here ] > WARNING: CPU: 6 PID: 8013 at fs/quota/dquot.c:691 > dquot_writeback_dquots+0x2fc/0x308 > pc : dquot_writeback_dquots+0x2fc/0x308 > lr : f2fs_quota_sync+0xcc/0x1c4 > Ca

[f2fs-dev] [PATCH] f2fs: add ioctl to get IO priority hint

2025-02-05 Thread Jaegeuk Kim via Linux-f2fs-devel
This patch adds an ioctl to give a per-file priority hint to attach REQ_PRIO. Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c| 6 ++ fs/f2fs/f2fs.h| 7 +++ fs/f2fs/file.c| 20 include/uapi/linux/f2fs.h | 1 + 4 files changed, 34 i

Re: [f2fs-dev] [PATCH] f2fs: add ioctl to get IO priority hint

2025-02-06 Thread Jaegeuk Kim via Linux-f2fs-devel
On 02/06, Chao Yu wrote: > On 2/6/25 05:40, Jaegeuk Kim via Linux-f2fs-devel wrote: > > This patch adds an ioctl to give a per-file priority hint to attach > > REQ_PRIO. > > > > Signed-off-by: Jaegeuk Kim > > --- > > fs/f2fs/data.c| 6 +++

Re: [f2fs-dev] [PATCH 2/2] f2fs: add a sysfs entry to request donate file-backed pages

2025-02-06 Thread Jaegeuk Kim via Linux-f2fs-devel
On 02/06, Chao Yu wrote: > On 2/1/25 06:27, Jaegeuk Kim via Linux-f2fs-devel wrote: > > 1. ioctl(fd1, F2FS_IOC_DONATE_RANGE, {0,3}); > > 2. ioctl(fd2, F2FS_IOC_DONATE_RANGE, {1,2}); > > 3. ioctl(fd3, F2FS_IOC_DONATE_RANGE, {3,1}); > > 4. echo 1024 > /sys/fs

Re: [f2fs-dev] [PATCH v2] f2fs: quota: fix to avoid warning in dquot_writeback_dquots()

2025-02-07 Thread Jaegeuk Kim via Linux-f2fs-devel
It seems you need to remove dummy f2fs_quota_sync() in fs/f2fs/super.c to fix the build error. 3204 int f2fs_quota_sync(struct super_block *sb, int type) 3205 { 3206 return 0; 3207 } On 02/07, Chao Yu wrote: > F2FS-fs (dm-59): checkpoint=enable has some unwritten data. > > -

Re: [f2fs-dev] [PATCH 2/2 v2] f2fs: add a sysfs entry to request donate file-backed pages

2025-02-07 Thread Jaegeuk Kim via Linux-f2fs-devel
1. ioctl(fd1, F2FS_IOC_DONATE_RANGE, {0,3}); 2. ioctl(fd2, F2FS_IOC_DONATE_RANGE, {1,2}); 3. ioctl(fd3, F2FS_IOC_DONATE_RANGE, {3,1}); 4. echo 1024 > /sys/fs/f2fs/tuning/reclaim_caches_kb This gives a way to reclaim file-backed pages by iterating all f2fs mounts until reclaiming 1MB page cache ran

Re: [f2fs-dev] [PATCH 0/2 v6] add ioctl/sysfs to donate file-backed pages

2025-02-10 Thread Jaegeuk Kim via Linux-f2fs-devel
On 02/10, Matthew Wilcox wrote: > On Mon, Feb 10, 2025 at 05:00:47PM +, Jaegeuk Kim wrote: > > On 02/04, Jaegeuk Kim wrote: > > > On 01/17, Jaegeuk Kim wrote: > > > > On 01/17, Matthew Wilcox wrote: > > > > > On Fri, Jan 17, 2025 at 06:48:55PM +, Jaegeuk Kim wrote: > > > > > > > I don't und

Re: [f2fs-dev] [PATCH v2] f2fs: add ioctl to get IO priority hint

2025-02-11 Thread Jaegeuk Kim via Linux-f2fs-devel
This patch adds an ioctl to give a per-file priority hint to attach REQ_PRIO. Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c| 6 ++ fs/f2fs/f2fs.h| 1 + fs/f2fs/file.c| 20 include/uapi/linux/f2fs.h | 7 +++ 4 files changed, 34 i

[f2fs-dev] [PATCH 2/2] f2fs: introduce f2fs_base_attr for global sysfs entries

2025-01-31 Thread Jaegeuk Kim via Linux-f2fs-devel
In /sys/fs/f2fs/features, there's no f2fs_sb_info, so let's avoid to get the pointer. Signed-off-by: Jaegeuk Kim --- fs/f2fs/sysfs.c | 74 ++--- 1 file changed, 52 insertions(+), 22 deletions(-) diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 001

[f2fs-dev] [PATCH 1/2] f2fs: don't kobject_put in the error case

2025-01-31 Thread Jaegeuk Kim via Linux-f2fs-devel
Fix a wrong kobject_put in the error path. Signed-off-by: Jaegeuk Kim --- fs/f2fs/sysfs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index d15c68b28952..001e97cd0a96 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -1605,7 +1605,7

[f2fs-dev] [PATCH 1/2] f2fs: register inodes which is able to donate pages

2025-01-31 Thread Jaegeuk Kim via Linux-f2fs-devel
This patch introduces an inode list to keep the page cache ranges that users can donate pages together. #define F2FS_IOC_DONATE_RANGE _IOW(F2FS_IOCTL_MAGIC, 27, \ struct f2fs_donate_range) struct f2fs_donate_range { __u64 star

[f2fs-dev] [PATCH 2/2] f2fs: add a sysfs entry to request donate file-backed pages

2025-01-31 Thread Jaegeuk Kim via Linux-f2fs-devel
1. ioctl(fd1, F2FS_IOC_DONATE_RANGE, {0,3}); 2. ioctl(fd2, F2FS_IOC_DONATE_RANGE, {1,2}); 3. ioctl(fd3, F2FS_IOC_DONATE_RANGE, {3,1}); 4. echo 1024 > /sys/fs/f2fs/tuning/reclaim_caches_kb This gives a way to reclaim file-backed pages by iterating all f2fs mounts until reclaiming 1MB page cache ran

[f2fs-dev] [PATCH 0/2 v8] add ioctl/sysfs to donate file-backed pages

2025-01-31 Thread Jaegeuk Kim via Linux-f2fs-devel
Note, let me keep improving this patch set, while trying to get some feedbacks from MM and API folks from [1]. If users clearly know which file-backed pages to reclaim in system view, they can use this ioctl() to register in advance and reclaim all at once later. I'd like to propose this API in F

Re: [f2fs-dev] [PATCH v2] f2fs: compress: don't redirty sparse cluster during {, de}compress

2024-12-12 Thread Jaegeuk Kim via Linux-f2fs-devel
On 12/12, Dan Carpenter wrote: > On Mon, Aug 19, 2024 at 05:34:30PM +0900, Yeongjin Gil wrote: > > In f2fs_do_write_data_page, when the data block is NULL_ADDR, it skips > > writepage considering that it has been already truncated. > > This results in an infinite loop as the PAGECACHE_TAG_TOWRITE t

Re: [f2fs-dev] [PATCH v3 5/5] f2fs: Optimize f2fs_truncate_data_blocks_range()

2024-12-12 Thread Jaegeuk Kim via Linux-f2fs-devel
On 12/11, yi sun wrote: > Kindly ping. > I think there are no problems with the first few patches, but the > current patch may still have room for improvement. Do you have any > good suggestions? Hi, may I ask for some basic tests? Have you run xfstests? > > On Mon, Nov 4, 2024 at 11:46 AM Yi Su

Re: [f2fs-dev] [PATCH 00/11] f2fs folio patches

2024-12-16 Thread Jaegeuk Kim via Linux-f2fs-devel
On 12/16, Matthew Wilcox wrote: > On Thu, Nov 28, 2024 at 04:58:15AM +, Matthew Wilcox (Oracle) wrote: > > This round of f2fs patches accomplishes two things: > > Ping. It's been two weeks and these patches aren't in linux-next yet. I was testing the series in dev-test. https://git.kernel.o

Re: [f2fs-dev] [PATCH v2] f2fs: Introduce linear search for dentries

2024-12-20 Thread Jaegeuk Kim via Linux-f2fs-devel
On 12/20, Daniel Lee wrote: > This patch addresses an issue where some files in case-insensitive > directories become inaccessible due to changes in how the kernel function, > utf8_casefold(), generates case-folded strings from the commit 5c26d2f1d3f5 > ("unicode: Don't special case ignorable code

Re: [f2fs-dev] [PATCH v3 3/5] f2fs: introduce update_sit_entry_for_release()

2024-12-20 Thread Jaegeuk Kim via Linux-f2fs-devel
This makes the code being inconsistent. Can you refactor first and add the loop later separately? For example, 1) add two functions, update_sit_entry_for_alloc() and update_sit_entry_for_release() 2) add a loop in update_sit_entry_for_release() Thanks, On 11/04, Yi Sun wrote: > This function ca

Re: [f2fs-dev] [PATCH] Revert "f2fs: remove unreachable lazytime mount option parsing"

2024-11-21 Thread Jaegeuk Kim via Linux-f2fs-devel
On 11/21, Eric Sandeen wrote: > On 11/20/24 2:38 PM, Jaegeuk Kim wrote: > > On 11/20, Eric Sandeen wrote: > > ... > > >> (Note that f2fs is the only filesystem that attempts to handle lazytime > >> within > >> the filesystem itself): > >> > >> [linux]# grep -r \"lazytime\" fs/*/ > >> fs/f2fs/sup

[f2fs-dev] [PATCH] f2fs: remove blk_finish_plug

2025-01-08 Thread Jaegeuk Kim via Linux-f2fs-devel
Let's remove unclear blk_finish_plug. Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 4 1 file changed, 4 deletions(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 35b9455fb899..f681742ebecb 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -511,10 +511,6 @@ static void f2fs_submi

Re: [f2fs-dev] [PATCH v3] f2fs: fix using wrong 'submitted' value in f2fs_write_cache_pages

2025-01-08 Thread Jaegeuk Kim via Linux-f2fs-devel
On 01/06, zangyangyang wrote: > From: zangyangyang1 > > When f2fs_write_single_data_page fails, f2fs_write_cache_pages > will use the last 'submitted' value incorrectly, which will cause > 'nwritten' and 'wbc->nr_to_write' calculation errors > > Signed-off-by: zangyangyang1 > --- > v3: No logic

Re: [f2fs-dev] [PATCH 1/2] f2fs: register inodes which is able to donate pages

2025-01-21 Thread Jaegeuk Kim via Linux-f2fs-devel
On 01/21, Chao Yu wrote: > On 1/18/25 00:41, Jaegeuk Kim via Linux-f2fs-devel wrote: > > This patch introduces an inode list to keep the page cache ranges that users > > can donate pages together. > > > > #define F2FS_IOC_DONATE_RANGE

[f2fs-dev] [PATCH 2/2] f2fs: add a sysfs entry to request donate file-backed pages

2025-01-22 Thread Jaegeuk Kim via Linux-f2fs-devel
1. ioctl(fd1, F2FS_IOC_DONATE_RANGE, {0,3}); 2. ioctl(fd2, F2FS_IOC_DONATE_RANGE, {1,2}); 3. ioctl(fd3, F2FS_IOC_DONATE_RANGE, {3,1}); 4. echo 1024 > /sys/fs/f2fs/blk/reclaim_caches_kb will reclaim 4MB page cache ranges, registered by #1, #2, and #3. Signed-off-by: Jaegeuk Kim --- Documentation

[f2fs-dev] [PATCH 1/2] f2fs: register inodes which is able to donate pages

2025-01-22 Thread Jaegeuk Kim via Linux-f2fs-devel
This patch introduces an inode list to keep the page cache ranges that users can donate pages together. #define F2FS_IOC_DONATE_RANGE _IOW(F2FS_IOCTL_MAGIC, 27, \ struct f2fs_donate_range) struct f2fs_donate_range { __u64 star

[f2fs-dev] [PATCH 0/2 v7] add ioctl/sysfs to donate file-backed pages

2025-01-22 Thread Jaegeuk Kim via Linux-f2fs-devel
Note, let me keep improving this patch set, while trying to get some feedbacks from MM and API folks from [1]. If users clearly know which file-backed pages to reclaim in system view, they can use this ioctl() to register in advance and reclaim all at once later. I'd like to propose this API in F

Re: [f2fs-dev] [PATCH 0/2 v6] add ioctl/sysfs to donate file-backed pages

2025-01-17 Thread Jaegeuk Kim via Linux-f2fs-devel
On 01/17, Matthew Wilcox wrote: > On Fri, Jan 17, 2025 at 06:48:55PM +, Jaegeuk Kim wrote: > > > I don't understand how this is different from MADV_COLD. Please > > > explain. > > > > MADV_COLD is a vma range, while this is a file range. So, it's more close to > > fadvise(POSIX_FADV_DONTNEED)

[f2fs-dev] [PATCH] f2fs: avoid trying to get invalid block address

2025-01-17 Thread Jaegeuk Kim via Linux-f2fs-devel
In f2fs_new_inode(), if we fail to get a new inode, we go iput(), followed by f2fs_evict_inode(). If the inode is not marked as bad, it'll try to call f2fs_remove_inode_page() which tries to read the inode block given node id. But, there's no block address allocated yet, which gives a chance to acc

[f2fs-dev] [GIT PULL] f2fs update for 6.14-rc1

2025-01-27 Thread Jaegeuk Kim via Linux-f2fs-devel
Hi Linus, Could you please consider this pull request? Thanks, The following changes since commit 40384c840ea1944d7c5a392e8975ed088ecf0b37: Linux 6.13-rc1 (2024-12-01 14:28:56 -0800) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git ta

[f2fs-dev] [PATCH 2/2] f2fs: add a sysfs entry to request donate file-backed pages

2025-01-13 Thread Jaegeuk Kim via Linux-f2fs-devel
1. ioctl(fd1, F2FS_IOC_DONATE_RANGE, {0,3}); 2. ioctl(fd2, F2FS_IOC_DONATE_RANGE, {1,2}); 3. ioctl(fd3, F2FS_IOC_DONATE_RANGE, {3,1}); 4. echo 3 > /sys/fs/f2fs/blk/donate_caches will reclaim 3 page cache ranges, registered by #1, #2, and #3. Signed-off-by: Jaegeuk Kim --- Documentation/ABI/test

[f2fs-dev] [PATCH 1/2] f2fs: register inodes which is able to donate pages

2025-01-13 Thread Jaegeuk Kim via Linux-f2fs-devel
This patch introduces an inode list to keep the page cache ranges that users can donate pages together. #define F2FS_IOC_DONATE_RANGE _IOW(F2FS_IOCTL_MAGIC, 27, \ struct f2fs_donate_range) struct f2fs_donate_range { __u64 star

Re: [f2fs-dev] [PATCH] f2fs: fix to do sanity check correctly on i_inline_xattr_size

2025-01-13 Thread Jaegeuk Kim via Linux-f2fs-devel
On 01/10, Chao Yu wrote: > On 1/8/25 03:28, Jaegeuk Kim wrote: > > On 12/16, Chao Yu wrote: > > > syzbot reported an out-of-range access issue as below: > > > > > > UBSAN: array-index-out-of-bounds in fs/f2fs/f2fs.h:3292:19 > > > index 18446744073709550491 is out of range for type '__le32[923]' (a

Re: [f2fs-dev] [PATCH 1/2] f2fs: register inodes which is able to donate pages

2025-01-14 Thread Jaegeuk Kim via Linux-f2fs-devel
On 01/14, Chao Yu wrote: > On 1/14/25 02:39, Jaegeuk Kim via Linux-f2fs-devel wrote: > > This patch introduces an inode list to keep the page cache ranges that users > > can donate pages together. > > > > #define F2FS_IOC_DONATE_RANGE

Re: [f2fs-dev] [PATCH 2/2] f2fs: add a sysfs entry to request donate file-backed pages

2025-01-14 Thread Jaegeuk Kim via Linux-f2fs-devel
On 01/14, Chao Yu wrote: > On 1/14/25 02:39, Jaegeuk Kim via Linux-f2fs-devel wrote: > > 1. ioctl(fd1, F2FS_IOC_DONATE_RANGE, {0,3}); > > 2. ioctl(fd2, F2FS_IOC_DONATE_RANGE, {1,2}); > > 3. ioctl(fd3, F2FS_IOC_DONATE_RANGE, {3,1}); > > 4. echo 3 > /sys/fs/f2fs/b

Re: [f2fs-dev] [PATCH 1/2 v2] f2fs: register inodes which is able to donate pages

2025-01-14 Thread Jaegeuk Kim via Linux-f2fs-devel
This patch introduces an inode list to keep the page cache ranges that users can donate pages together. #define F2FS_IOC_DONATE_RANGE _IOW(F2FS_IOCTL_MAGIC, 27, \ struct f2fs_donate_range) struct f2fs_donate_range { __u64 star

Re: [f2fs-dev] [PATCH v2] f2fs: Introduce linear search for dentries

2024-12-23 Thread Jaegeuk Kim via Linux-f2fs-devel
On 12/23, Christoph Hellwig wrote: > On Fri, Dec 20, 2024 at 09:21:36AM -0800, Daniel Lee wrote: > > This patch addresses an issue where some files in case-insensitive > > directories become inaccessible due to changes in how the kernel function, > > utf8_casefold(), generates case-folded strings f

Re: [f2fs-dev] [PATCH v3] f2fs: Introduce linear search for dentries

2024-12-23 Thread Jaegeuk Kim via Linux-f2fs-devel
On 12/22, Chao Yu wrote: > On 2024/12/21 7:41, Daniel Lee wrote: > > This patch addresses an issue where some files in case-insensitive > > directories become inaccessible due to changes in how the kernel function, > > utf8_casefold(), generates case-folded strings from the commit 5c26d2f1d3f5 > >

[f2fs-dev] [PATCH 1/2] f2fs: register inodes which is able to donate pages

2025-01-14 Thread Jaegeuk Kim via Linux-f2fs-devel
This patch introduces an inode list to keep the page cache ranges that users can donate pages together. #define F2FS_IOC_DONATE_RANGE _IOW(F2FS_IOCTL_MAGIC, 27, \ struct f2fs_donate_range) struct f2fs_donate_range { __u64 star

[f2fs-dev] [PATCH 0/2 v2] add ioctl/sysfs to donate file-backed pages

2025-01-14 Thread Jaegeuk Kim via Linux-f2fs-devel
If users clearly know which file-backed pages to reclaim in system view, they can use this ioctl() to register in advance and reclaim all at once later. Jaegeuk Kim (2): f2fs: register inodes which is able to donate pages f2fs: add a sysfs entry to request donate file-backed pages Documentat

[f2fs-dev] [PATCH 2/2] f2fs: add a sysfs entry to request donate file-backed pages

2025-01-14 Thread Jaegeuk Kim via Linux-f2fs-devel
1. ioctl(fd1, F2FS_IOC_DONATE_RANGE, {0,3}); 2. ioctl(fd2, F2FS_IOC_DONATE_RANGE, {1,2}); 3. ioctl(fd3, F2FS_IOC_DONATE_RANGE, {3,1}); 4. echo 3 > /sys/fs/f2fs/blk/donate_caches will reclaim 3 page cache ranges, registered by #1, #2, and #3. Signed-off-by: Jaegeuk Kim --- Documentation/ABI/test

[f2fs-dev] [PATCH 2/2] f2fs: add a sysfs entry to request donate file-backed pages

2025-01-15 Thread Jaegeuk Kim via Linux-f2fs-devel
1. ioctl(fd1, F2FS_IOC_DONATE_RANGE, {0,3}); 2. ioctl(fd2, F2FS_IOC_DONATE_RANGE, {1,2}); 3. ioctl(fd3, F2FS_IOC_DONATE_RANGE, {3,1}); 4. echo 3 > /sys/fs/f2fs/blk/donate_caches will reclaim 3 page cache ranges, registered by #1, #2, and #3. Signed-off-by: Jaegeuk Kim --- Documentation/ABI/test

[f2fs-dev] [PATCH 0/2 v4] add ioctl/sysfs to donate file-backed pages

2025-01-15 Thread Jaegeuk Kim via Linux-f2fs-devel
If users clearly know which file-backed pages to reclaim in system view, they can use this ioctl() to register in advance and reclaim all at once later. Change log from v3: - cover partial range Change log from v2: - add more boundary checks - de-register the range, if len is zero Jaegeuk Kim

[f2fs-dev] [PATCH 2/2] f2fs: add a sysfs entry to request donate file-backed pages

2025-01-15 Thread Jaegeuk Kim via Linux-f2fs-devel
1. ioctl(fd1, F2FS_IOC_DONATE_RANGE, {0,3}); 2. ioctl(fd2, F2FS_IOC_DONATE_RANGE, {1,2}); 3. ioctl(fd3, F2FS_IOC_DONATE_RANGE, {3,1}); 4. echo 3 > /sys/fs/f2fs/blk/donate_caches will reclaim 3 page cache ranges, registered by #1, #2, and #3. Signed-off-by: Jaegeuk Kim --- Documentation/ABI/test

[f2fs-dev] [PATCH 1/2] f2fs: register inodes which is able to donate pages

2025-01-15 Thread Jaegeuk Kim via Linux-f2fs-devel
This patch introduces an inode list to keep the page cache ranges that users can donate pages together. #define F2FS_IOC_DONATE_RANGE _IOW(F2FS_IOCTL_MAGIC, 27, \ struct f2fs_donate_range) struct f2fs_donate_range { __u64 star

Re: [f2fs-dev] [PATCH 2/2] f2fs: add a sysfs entry to request donate file-backed pages

2025-01-15 Thread Jaegeuk Kim via Linux-f2fs-devel
On 01/16, Chao Yu wrote: > On 1/16/25 06:16, Jaegeuk Kim via Linux-f2fs-devel wrote: > > 1. ioctl(fd1, F2FS_IOC_DONATE_RANGE, {0,3}); > > 2. ioctl(fd2, F2FS_IOC_DONATE_RANGE, {1,2}); > > 3. ioctl(fd3, F2FS_IOC_DONATE_RANGE, {3,1}); > > 4. echo 3 > /sys/fs/f2fs/b

[f2fs-dev] [PATCH 0/2 v3] add ioctl/sysfs to donate file-backed pages

2025-01-15 Thread Jaegeuk Kim via Linux-f2fs-devel
If users clearly know which file-backed pages to reclaim in system view, they can use this ioctl() to register in advance and reclaim all at once later. Change log from v2: - add more boundary checks - de-register the range, if len is zero Jaegeuk Kim (2): f2fs: register inodes which is able

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